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From "Patrick Linskey" <plins...@bea.com>
Subject RE: Unit testing
Date Mon, 09 Apr 2007 17:05:27 GMT
> It should be part of the commit acceptance process.

I agree that it should be part of the process, but I hope that with
sufficient discipline and attention, we can avoid having to enforce this
via automated rules. I definitely make changes that don't merit unit
tests, such as changes to localized strings, null checks, build file
changes, etc.

-Patrick

-- 
Patrick Linskey
BEA Systems, Inc. 

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> -----Original Message-----
> From: Phill Moran [mailto:pjmoran@rogers.com] 
> Sent: Monday, April 09, 2007 10:02 AM
> To: open-jpa-dev@incubator.apache.org
> Subject: RE: Unit testing
> 
> +1
> It should be part of the commit acceptance process. Otherwise 
> OpenJPA will loose
> out to other ORM tools that will be perceived as less buggy. 
> What is used for coverage monitoring, clover? We should also 
> use checkstyle to
> give some insight into the code as well
> 
> Phill
> 
> -----Original Message-----
> From: Patrick Linskey [mailto:plinskey@bea.com] 
> Sent: April 9, 2007 12:51 PM
> To: open-jpa-dev@incubator.apache.org
> Subject: Unit testing
> 
> Hi,
> 
> I'm a bit concerned about the lack of unit tests being put 
> into OpenJPA as new
> features are added. I understand that often, creating unit tests are
> anticlimactic compared to implementing the feature itself, 
> but at least basic
> happy-path testing of new features is pretty essential if we 
> want to avoid these
> types of problems. Code inspection is good but, Abe's good 
> eyes aside, not as
> reliable as having a unit test that will start failing when a 
> feature is broken.
> 
> I try to write my test cases first, in a somewhat-modified 
> TDD approach.
> I do this because a) I need some sort of harness to 
> demonstrate the failure in
> order to isolate and resolve it, and b) I know that 
> personally, I'm much more
> likely to write a test while the problem is still interesting 
> than after it's
> resolved. In other words, I never (well, rarely) have a 
> command-line harness
> that I throw together to demonstrate a problem. I try to 
> always use a test case
> instead. This strategy means that the only test-related 
> overhead is the effort
> involved to figure out how to programmatically test for failure.
> 
> Also, I understand that some things are hard to test. Testing 
> SQL or JDBC
> interactions is often percieved to be one of these things. In 
> the Kodo codebase,
> we ended up creating various means to get around this; the 
> SQLListenerTestCase
> is one such example. It turns out that by extending 
> SQLListenerTestCase, it
> becomes trivial to check how much SQL was written and what 
> the SQL looks like.
> 
> Does anyone else have any thoughts about how to ensure that 
> we develop test
> cases as needed?
> 
> -Patrick
> 
> --
> Patrick Linskey
> BEA Systems, Inc. 
> 
> ______________________________________________________________
> _________
> Notice:  This email message, together with any attachments, 
> may contain
> information  of  BEA Systems,  Inc.,  its subsidiaries  and  
> affiliated
> entities,  that may be confidential,  proprietary,  
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> privileged, and is intended solely for the use of the 
> individual or entity named
> in this message. If you are not the intended recipient, and 
> have received this
> message in error, please immediately return this by email and 
> then delete it. 
> 
> > -----Original Message-----
> > From: Abe White
> > Sent: Monday, April 09, 2007 8:12 AM
> > To: open-jpa-dev@incubator.apache.org
> > Subject: Re: [jira] Resolved: (OPENJPA-208) NoResultException and 
> > NonUniqueResultException are not thrown when expected
> > 
> > > Went ahead and restored the previous behavior where the QueryImpl 
> > > itself checks for non-uniqueness and throws the expected 
> exception.
> > 
> > That breaks the single result optimization that was added for
> > OPENJPA-168 when getSingleResult() is called.  There was a 
> reason we  
> > moved the validation to the kernel.  The previous code was 
> correct.   
> > You need to use the "hard" way of creating new exception types.
> > 
> > Notice:  This email message, together with any attachments, may 
> > contain information  of  BEA Systems,  Inc.,  its 
> subsidiaries  and  
> > affiliated entities,  that may be confidential,  proprietary,  
> > copyrighted  and/or legally privileged, and is intended 
> solely for the 
> > use of the individual or entity named in this message. If 
> you are not 
> > the intended recipient, and have received this message in error, 
> > please immediately return this by email and then delete it.
> > 
> 
> Notice:  This email message, together with any attachments, 
> may contain
> information  of  BEA Systems,  Inc.,  its subsidiaries  and  
> affiliated
> entities,  that may be confidential,  proprietary,  
> copyrighted  and/or legally
> privileged, and is intended solely for the use of the 
> individual or entity named
> in this message. If you are not the intended recipient, and 
> have received this
> message in error, please immediately return this by email and 
> then delete it.
> 
> 

Notice:  This email message, together with any attachments, may contain information  of  BEA
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